FaitalPRO 8PR155 8Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.4dB
• Frequency response 80 - 6300Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 85Hz
• Mechanical quality factor QMS 8.80
• Electrical quality factor QES 0.39
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 3.6mm
• Maximum excursion before damage xlim 10.7mm
• Air volume displaced at xmax VD 78cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 0.41mH
• VC Diameter 52mm
• Winding height HVC 9.8mm
• Winding material Aluminium
• Former material Glass Fiber

Magnet

• Flux density B 1.3T
• Force factor Bl 13.4N/A
• Motor constant Bl/√RE 5.82N/√W
• Air gap height HAG 8mm
• Material Ferrite Ring

Diaphragm

• Effective diameter 166mm
• Effective area SD 217cm²
• Moving mass MMS 24.5g
• Moving mass (without air load) MMD 22.2g

Suspensions

• Stiffness KMS 7.14N/mm
• Compliance CMS 140µm/N
• Equivalent volume to the compliance VAS 9.4L
• Mechanical resistance RMS 1.5N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Overall size 208 x 224mm
• Baffle cutout diameter 183mm
• Overall depth 99mm
• Flange thickness 11mm
• Mounting depth 88mm
• Volume occupied by the driver 1.06L
• Net weight 4.3kg
• Frame material Aluminium